Business Object Id missing from class (When Creating Project Fail)

When create Project in 2015x with simplified chinese language was set in browser.

Then when tried to create project, the following error occurs:

Business Object Id missing from class com.matrixone.apps.framework.ui.UIForm bean.

• It is a bug, it couldn't parse the date field in "Project Date".
• Change language to English, then you will be able to create.
• But I have once fix it with Credential Change to Common Space with Leader role.

in TomEE log.
java.text.ParseException: Unparseable date: "2015-9-3"
        at java.text.DateFormat.parse(DateFormat.java:366)
        at com.matrixone.apps.domain.util.eMatrixDateFormat.getFormattedInputDat
eTime(eMatrixDateFormat.java:1414)
        at com.matrixone.apps.domain.util.eMatrixDateFormat.getFormattedInputDat
eTime(eMatrixDateFormat.java:1138)